package fuck;


import com.sun.org.apache.xpath.internal.operations.Bool;

/*
    AUTHOR: JiaWaCaiNiao
    TIME: 2019/2/14
    GOOD LUCK AND NO BUG.
*/
public class TestReader {
    public static void main(String[] args) {
//        Reader reader = new Reader()
    }
}

class A extends B {
    @Override
    public void show() {
        super.show();
    }

    int k = 20;

    public static void main(String args[]) {
        System.out.println(new A().k);
        int i;
        B c1 = new A();
        i = c1.k;
        System.out.println("i=" + i);
        Integer integer = new Integer("0x123");
        System.out.println(integer);
        Double 对 = new Double(5);
        Boolean b = new Boolean("sda");
    }
}

class B {
    int k = 10;
    void show() {

    }
}
abstract class C {
    {
        System.out.println("block");
    }
    public C(String s) {
        System.out.println(s);
    }
}
class D extends C{

    public D(String s) {
        super(s);
    }

    public static void main(String[] args) {
        new D("new");
    }
}